<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="用户id" prop="userId">
        <el-input v-model="queryParams.userId" placeholder="请输入用户id" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="消息状态" prop="state" style="width: 300;">
        <el-input v-model="queryParams.state" placeholder="输入消息状态(0已读;1未读)" clearable
          @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
          v-hasPermi="['message:message:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" @click="handleUpdate">批量发送消息</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['message:message:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
          v-hasPermi="['message:message:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="messageList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="消息id" align="center" prop="id" />
      <el-table-column label="用户id" align="center" prop="userId" />
      <el-table-column label="消息内容" align="center" prop="messageContent" />
      <el-table-column label="消息状态" align="center" prop="state">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.message" :value="scope.row.state" />
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <!-- <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['message:message:edit']"
          >修改</el-button> -->
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
            v-hasPermi="['message:message:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />
    <el-dialog title="批量发送消息" :visible.sync="openDialog" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="消息内容" prop="messageContent">
          <el-input v-model="form.messageContent" type="textarea" :rows="4" placeholder="请输入消息内容" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="confirmSend">确 定</el-button>
        <el-button @click="openDialog = false">取 消</el-button>
      </div>
    </el-dialog>
    <!-- 添加或修改消息对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body :rule="rules">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="用户id" prop="userId">
          <el-input v-model="form.userId" placeholder="请输入用户id" />
        </el-form-item>
        <el-form-item label="消息内容" prop="messageContent">
          <el-input v-model="form.messageContent" type="textarea" :rows="4" placeholder="请输入消息内容" />
        </el-form-item>
        <!-- <el-form-item label="消息状态(state:0 已读;1未读;2删除)" prop="state">
          <el-input v-model="form.state" placeholder="请输入消息状态(state:0 已读;1未读;2删除)" />
        </el-form-item> -->
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listMessage, getMessage, delMessage, addMessage, updateMessage, insertBatchMessages } from "@/api/message/message";

export default {
  name: "Message",
  dicts: ['sys_message_sex', 'message'],
  data() {
    return {
      //消息发送
      openDialog: false,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 消息表格数据
      messageList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        userId: null,
        messageContent: null,
        state: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        userId: [
          { required: true, message: "用户id不能为空", trigger: "blur" },

        ],
        messageContent: [
          { required: true, message: "消息内容不能为空", trigger: "blur" },
          { min: 1, max: 255, message: "消息内容长度在1-255个字符", trigger: "blur" }
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询消息列表 */
    getList() {
      this.loading = true;
      listMessage(this.queryParams).then(response => {
        this.messageList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        userId: null,
        id: null,
        messageContent: null,
        state: null,
        createTime: null,
        updateTime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加消息";
    },
    /** 批量发送操作 */
    handleUpdate() {
      this.openDialog = true
    },
    confirmSend() {
      if (!this.form.messageContent || this.ids.length === 0) {
        this.$message.error("请填写消息内容并选择用户");
        return;
      }
      const payload = this.ids.map(userId => ({
        userId: userId,
        messageContent: this.form.messageContent
      }));
      console.log(payload);
      insertBatchMessages(payload).then(response => {
        this.$message.success("消息发送成功");
        this.openDialog = false;  
        this.getList();  
      }).catch(error => {
        this.$message.error("消息发送失败，请重试");
      });
    },

    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateMessage(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addMessage(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        } else {
          // 校验失败时
          this.$modal.msgError("请检查输入的内容是否有误");
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除消息编号为"' + ids + '"的数据项？').then(function () {
        return delMessage(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => { });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('message/message/export', {
        ...this.queryParams
      }, `message_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
